(19)

(11)

EP 4 186 158 A1

(12)

(43) Date of publication: 31.05.2023 Bulletin 2023/22 (21) Application number: 21755820.4 (22) Date of filing: 22.07.2021

(51) International Patent Classification (IPC):  H02P 25/22(2006.01) H02P 25/18(2006.01) (52) Cooperative Patent Classification (CPC): H02P 25/22; H02P 25/184; H02P 25/188 (86) International application number: PCT/IB2021/056618 (87) International publication number: WO 2022/018675 (27.01.2022 Gazette 2022/04)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 22.07.2020 IT 202000017770 (71) Applicant: Eldor Corporation S.p.A. 22030 Orsenigo (Como) (IT)	(72) Inventors: ZAI, Luca 22030 Orsenigo (Como) (IT) SECCIA, Ruggero 22030 Orsenigo (Como) (IT) ROMAN, Michele 22030 Orsenigo (Como) (IT) FORTE, Pasquale 22030 Orsenigo (Como) (IT) (74) Representative: Zermani Biondi Orsi, Umberto  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)